src/XGUI/XGUI_ObjectsBrowser.cpp

   1 #include "XGUI_ObjectsBrowser.h"
   2 #include "XGUI_DocumentDataModel.h"
   3
   4 #include <ModelAPI_Data.h>
   5
   6 #include <QLayout>
   7 #include <QLabel>
   8 #include <QPixmap>
   9 #include <QEvent>
  10 #include <QMouseEvent>
  11
  12
  13
  14 XGUI_DataTree::XGUI_DataTree(QWidget* theParent)
  15   : QTreeView(theParent)
  16 {
  17   setHeaderHidden(true);
  18   setModel(new XGUI_DocumentDataModel(this));
  19
  20   connect(selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
  21           this, SLOT(onSelectionChanged(const QItemSelection&, const QItemSelection&)));
  22 }
  23
  24 XGUI_DataTree::~XGUI_DataTree()
  25 {
  26 }
  27
  28 XGUI_DocumentDataModel* XGUI_DataTree::dataModel() const
  29 {
  30   return static_cast<XGUI_DocumentDataModel*>(model());
  31 }
  32
  33
  34 void XGUI_DataTree::onSelectionChanged(const QItemSelection& theSelected,
  35                                              const QItemSelection& theDeselected)
  36 {
  37   mySelectedData.clear();
  38   QModelIndexList aIndexes = selectionModel()->selectedIndexes();
  39   XGUI_DocumentDataModel* aModel = dataModel();
  40   QModelIndexList::const_iterator aIt;
  41   for (aIt = aIndexes.constBegin(); aIt != aIndexes.constEnd(); ++aIt) {
  42     FeaturePtr aFeature = aModel->feature(*aIt);
  43     if (aFeature)
  44       mySelectedData.append(aFeature);
  45   }
  46   emit selectionChanged();
  47 }
  48
  49 void XGUI_DataTree::mouseDoubleClickEvent(QMouseEvent* theEvent)
  50 {
  51   if (theEvent->button() == Qt::LeftButton) {
  52     QModelIndex aIndex = currentIndex();
  53     XGUI_DocumentDataModel* aModel = dataModel();
  54
  55     if ((aModel->activePartIndex() != aIndex) && aModel->activePartIndex().isValid()) {
  56       setExpanded(aModel->activePartIndex(), false);
  57     }
  58     bool isChanged = aModel->activatedIndex(aIndex);
  59     QTreeView::mouseDoubleClickEvent(theEvent);
  60     if (isChanged) {
  61       if (aModel->activePartIndex().isValid())
  62         setExpanded(aIndex, true);
  63       emit activePartChanged(aModel->activePart());
  64     }
  65   } else
  66     QTreeView::mouseDoubleClickEvent(theEvent);
  67 }
  68
  69 void XGUI_DataTree::contextMenuEvent(QContextMenuEvent* theEvent)
  70 {
  71   emit contextMenuRequested(theEvent);
  72 }
  73
  74 //********************************************************************
  75 //********************************************************************
  76 //********************************************************************
  77 XGUI_ObjectsBrowser::XGUI_ObjectsBrowser(QWidget* theParent)
  78   : QWidget(theParent)
  79 {
  80   QVBoxLayout* aLayout = new QVBoxLayout(this);
  81   aLayout->setContentsMargins(0, 0, 0, 0);
  82   aLayout->setSpacing(0);
  83
  84   QFrame* aLabelWgt = new QFrame(this);
  85   aLabelWgt->setAutoFillBackground(true);
  86   QPalette aPalet = aLabelWgt->palette();
  87   aPalet.setColor(QPalette::Window, Qt::white);
  88   aLabelWgt->setPalette(aPalet);
  89
  90   aLayout->addWidget(aLabelWgt);
  91   QHBoxLayout* aLabelLay = new QHBoxLayout(aLabelWgt);
  92   aLabelLay->setContentsMargins(0, 0, 0, 0);
  93   aLabelLay->setSpacing(0);
  94
  95   QLabel* aLbl = new QLabel(aLabelWgt);
  96   aLbl->setPixmap(QPixmap(":pictures/assembly.png"));
  97   aLbl->setMargin(2);
  98
  99   aLbl->setAutoFillBackground(true);
 100
 101   aLabelLay->addWidget(aLbl);
 102
 103   myActiveDocLbl = new QLabel(tr("Part set"), aLabelWgt);
 104   myActiveDocLbl->setMargin(2);
 105   myActiveDocLbl->setContextMenuPolicy(Qt::CustomContextMenu);
 106
 107   myActiveDocLbl->installEventFilter(this);
 108
 109   aLabelLay->addWidget(myActiveDocLbl);
 110   aLabelLay->setStretch(1,1);
 111
 112   myTreeView = new XGUI_DataTree(this);
 113   aLayout->addWidget(myTreeView);
 114
 115   myDocModel = myTreeView->dataModel();
 116
 117   aLabelWgt->setFrameShape(myTreeView->frameShape());
 118   aLabelWgt->setFrameShadow(myTreeView->frameShadow());
 119
 120   connect(myTreeView, SIGNAL(selectionChanged()), this, SIGNAL(selectionChanged()));
 121   connect(myTreeView, SIGNAL(activePartChanged(FeaturePtr)), this, SLOT(onActivePartChanged(FeaturePtr)));
 122   connect(myTreeView, SIGNAL(activePartChanged(FeaturePtr)), this, SIGNAL(activePartChanged(FeaturePtr)));
 123
 124   connect(myActiveDocLbl, SIGNAL(customContextMenuRequested(const QPoint&)),
 125           this, SLOT(onLabelContextMenuRequested(const QPoint&)));
 126   connect(myTreeView, SIGNAL(contextMenuRequested(QContextMenuEvent*)),
 127           this, SLOT(onContextMenuRequested(QContextMenuEvent*)));
 128
 129   onActivePartChanged(FeaturePtr());
 130 }
 131
 132
 133 XGUI_ObjectsBrowser::~XGUI_ObjectsBrowser()
 134 {
 135 }
 136
 137
 138 void XGUI_ObjectsBrowser::onActivePartChanged(FeaturePtr thePart)
 139 {
 140   QPalette aPalet = myActiveDocLbl->palette();
 141   if (thePart) {
 142     //myActiveDocLbl->setText(tr("Activate Part set"));
 143     aPalet.setColor(QPalette::Foreground, Qt::black);
 144     //myActiveDocLbl->setCursor(Qt::PointingHandCursor);
 145   }  else {
 146     //myActiveDocLbl->setText(tr("Part set is active"));
 147     aPalet.setColor(QPalette::Foreground, QColor(0, 72, 140));
 148     //myActiveDocLbl->unsetCursor();
 149   }
 150   myActiveDocLbl->setPalette(aPalet);
 151 }
 152
 153 bool XGUI_ObjectsBrowser::eventFilter(QObject* obj, QEvent* theEvent)
 154 {
 155   if (obj == myActiveDocLbl) {
 156     if (theEvent->type() == QEvent::MouseButtonDblClick) {
 157       if (myDocModel->activePartIndex().isValid()) {
 158         myTreeView->setExpanded(myDocModel->activePartIndex(), false);
 159       }
 160       myDocModel->deactivatePart();
 161       onActivePartChanged(FeaturePtr());
 162       emit activePartChanged(FeaturePtr());
 163     }
 164   }
 165   return QWidget::eventFilter(obj, theEvent);
 166 }
 167
 168 void XGUI_ObjectsBrowser::activateCurrentPart(bool toActivate)
 169 {
 170   if (toActivate) {
 171     QModelIndex aIndex = myTreeView->currentIndex();
 172
 173     if ((myDocModel->activePartIndex() != aIndex) && myDocModel->activePartIndex().isValid()) {
 174       myTreeView->setExpanded(myDocModel->activePartIndex(), false);
 175     }
 176     bool isChanged = myDocModel->activatedIndex(aIndex);
 177     if (isChanged) {
 178       if (myDocModel->activePartIndex().isValid()) {
 179         myTreeView->setExpanded(aIndex, true);
 180         onActivePartChanged(myDocModel->feature(aIndex));
 181       } else {
 182         onActivePartChanged(FeaturePtr());
 183       }
 184     }
 185   } else {
 186     QModelIndex aIndex = myDocModel->activePartIndex();
 187     if (aIndex.isValid()) {
 188       myDocModel->activatedIndex(aIndex);
 189       myTreeView->setExpanded(aIndex, false);
 190       onActivePartChanged(FeaturePtr());
 191     }
 192   }
 193 }
 194
 195 void XGUI_ObjectsBrowser::onContextMenuRequested(QContextMenuEvent* theEvent)
 196 {
 197   myFeaturesList = myTreeView->selectedFeatures();
 198   emit contextMenuRequested(theEvent);
 199 }
 200
 201 void XGUI_ObjectsBrowser::onLabelContextMenuRequested(const QPoint& thePnt)
 202 {
 203   myFeaturesList.clear();
 204   //Empty feature pointer means that selected root document
 205   myFeaturesList.append(FeaturePtr());
 206
 207   QContextMenuEvent aEvent( QContextMenuEvent::Mouse, thePnt, myActiveDocLbl->mapToGlobal(thePnt) );
 208   emit contextMenuRequested(&aEvent);
 209 }